package com.prepowers.cake.mapper;

import java.util.List;

import org.apache.ibatis.annotations.Mapper;
import com.prepowers.cake.data.entity.User;

@Mapper
public interface UserMapper {
	int save(User user);  
    
    User selectById(Long id);  
      
    int updateById(User user);  
      
    int deleteById(Long id);  
      
    List<User> queryAll();

}
